HASAN CEYLAN
601 Bradford Ct, Bordentown, NJ 08505 609-424-4442 hceylan97@yahoo.com
EDUCATION:
The College Of New Jersey, Ewing, NJ 1994 – 1997 B.S.
In Business Administration, Majored in Finance
SUMMARY
 Performance and Capacity Planning Engineer with expert knowledge of application and
infrastructure performance data.
 Extremely passionate about statistical data analysis and modeling.
PROFESSIONAL PROFILE
Highly proficient IT professional with proven analytical abilities and organizational skills.
Over 11 years of project experience involving leadership and consulting on object-oriented
information systems, enterprise application integration, hardware and software deployment
processes, customer interaction, and user- end organization.
Well-rounded, communicative, creative technical problem-solver. Fast learner who has been
consistently cited for ability to achieve rapid comfort level in new environments and quickly
develop optimal solutions.
Innovative and self-motivated tutor, trainer, team-builder and technical lead.
Rigorous, quality-conscious contributor with solid analytical and writing skills.
SKILLS:
O/S’s:
Languages:
Databases:
Software / Tools:
Solaris, RedHat, CentOS, Wındows
Shell scripting, Perl, PHP, .NET, R Statistical Programming
Oracle, MySQL, and MsSQL.
Apache, IIS, Control-M, Remedy, EMC Ionix Smarts, SevOne, AceLive,
Linqpad, oData, Cacti, Crystal Reports, eHealth, Splunk.
EXPERIENCE:
1/2012 – Present
Credit-Suisse, New York, NY
System and Application Performance/Capacity Planning Engineer
Responsibilities:
 Perform capacity and performance analysis on back office applications.
 Collect system, application, batch performance data via R and Perl programming
languages.
 Develop capacity dashboard on systems, batch jobs and application performance
data using Html, CSS, jQuery and R statistical programming language.
 Develop trend, forecast, and prediction models on database storage usage, batch
volume growth, system resource utilization, and application performance data
using R statistical programming language.
 Analyze application load test results to determine the capability of the current
infrastructure and help re-size the production environment.
 Perform extensive statistical analysis on system and application performance data.
09/2000 - 09/2011
Dow Jones & Company, Inc., Princeton, NJ
Global Technology Services,
Technical Design Consultant
The Wall Street Journal is an American English-language international daily newspaper
published by Dow Jones & Company, a division of News Corporation, in New York City, with
Asian and European editions. The Journal is the largest newspaper in the United States by
circulation. The Journal primarily covers U.S. and international business, and financial news and
issues.. I joined this great company to work on wsj.com Systems Administrator to maintain and
improve its web properties including wsj.com and print.wsj.com. It is very hard to summarize all
the work I’ve done, but here are some of the highlights.
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Responsible for production support of Enterprise System Management tools - EMC Smarts,
Splunk, Cacti, SevOne, eHealth, Tideway.
Write programs in Perl/.Net to parse and analyze system, network and application data and
create executive dashboards.
Set up monitoring of 7,000+ servers and 4,000+ network devices.
Implemented solution to convert BMC Patrol monitoring tools to Open Source systems using
Cacti.
Setup Splunk searches and log fıle monitoring on application and web servers.
Coordinate and monitor troubleshooting to isolate and diagnose common system problems:
document system events to ensure continuous functioning. Recommend course of action and
implement as approved.
Responsible for capacity planning, including allocating storage, providing hardware and
software redundancy, and planning future expansion requirements.
Work on various departmental projects parallel with daily tasks and responsibilities.
Write status reports, technical diagrams, and flowcharts.
Conduct performance monitoring for UNIX/Linux/Windows servers.
Utilized standard corporate tools to record changes, service requests, and problem activities
for tracking purposes.
Monitor, troubleshot, and resolved issues involving operating systems and applications.
Perform backup and disaster recovery operations.
Wrote shell scripts for automation and information gathering.
Detect and correct the file system errors.
Work with hardware and software vendors to work out complex issues.
Keep a track of the appropriate software and upgrade the software packages.
Perform occasional off-hours and remote support.
Administer EMC Smarts IP / SAM domaıns.
Create ITSM reports using Crystal Reports.
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Worked closely with development team to create performance dashboard for systems and
applications for senior management.
Worked with teams to help them adopt new standards or make use of existing capability for
tools that are not fully utilized.
Performed proof of concepts and pilots for showcasing capability and migrating applications
and platforms to new tool sets.
Gained expert knowledge of SNMP and implemented wide array of custom monitoring
solutions using Net-SNMP on Linux/Solaris/AIX and SNMP Service on Windows
IIS/Exchange/Citrix platforms.
CERTIFICATION:
MCP, RHCT